ClassID:

135974

E21D9/006 - CPC Classification

Classification description:

Tunnels or galleries, with or without linings; Methods or apparatus for making thereof ; Layout of tunnels or galleries by making use of blasting methods

Recent Application in this class:
#1
20260049553
2026-02-19

FEEDER POLE APPARATUS, METHOD OF USE AND MANUFACTURE THEREOF

#2
20250102701
2025-03-27

METHOD AND DEVICE FOR IDENTIFYING FULL-SECTION EXCAVATION PARAMETERS OF LARGE-SECTION TUNNEL WITH BROKEN SURROUNDING ROCK

#3
20240361108
2024-10-31

TRIGGERING EXPLOSIVES IN HOLES

#4
20240296536
2024-09-05

TUNNEL DYNAMIC BLASTING DEVICE BASED ON GEOLOGICAL BODY INTELLIGENT PERCEPTION, SYSTEM AND METHOD

#5
20240159148
2024-05-16

TUNNEL EXCAVATION APPARATUS AND METHOD FOR TBM EXCAVATION AND EXPANDED BLASTING

#6
20240102782
2024-03-28

Method for Evaluating Deep-Buried Tunnel Blasting Parameters

#7
20240102385
2024-03-28

BLAST HOLE ARRANGEMENT STRUCTURE USED FOR BLASTING FOR RHEOLOGICAL SOFT-WEAK SURROUNDING ROCK TUNNEL AND CONSTRUCTION METHOD FOR RHEOLOGICAL SOFT-WEAK SURROUNDING ROCK TUNNEL

#8
20240035381
2024-02-01

Reasonable millisecond time control method for excavation blasting of tunnel

#9
20240035380
2024-02-01

Coal uncovering construction method for blasting large cross-section gas tunnels

#10
20230351576
2023-11-02

HALF-CAST MARK IDENTIFICATION AND DAMAGED FLATNESS EVALUATION AND CLASSIFICATION METHOD FOR BLASTHOLES IN TUNNEL BLASTING

#11
20230287791
2023-09-14

Wireless detonation system, relay device for wireless detonation system, and wireless detonation method using wireless detonation system

#12
20230162341
2023-05-25

Half-cast mark identification and damaged flatness evaluation and classification method for blastholes in tunnel blasting

#13
20220381544
2022-12-01

Gel stemming delivery system

#14
20220364468
2022-11-17

Supercritical fluid drilling and blasting integrated double-arm drill jumbo and control method thereof

#15
20220349257
2022-11-03

Apparatus, rock drilling rig and method for mining navigation

#16
20220325625
2022-10-13

MINING APPARATUS AND METHODS

#17
20220282958
2022-09-08

Triggering explosives in holes

#18
20220170368
2022-06-02

Apparatus and method for preparing a blast hole in a rock face during a mining operation

#19
20220162911
2022-05-26

Mine vehicle boom positioning control

#20
20220145759
2022-05-12

Tunneling and mining method using pre-conditioned hole pattern

#21
20220099424
2022-03-31

Apparatus, method and computer program product for designing blasting order

#22
20210148229
2021-05-20

Projectile augmented boring system

#23
20210025682
2021-01-28

Inhibited emulsions for use in blasting in reactive ground or under high temperature conditions

#24
20200173764
2020-06-04

Apparatus for feeding tube elements, rock drilling rig and method of supporting drill hole openings

#25
20190323811
2019-10-24

Apparatus and method for preparing a blast hole in a rock face during a mining operation

#26
20190257632
2019-08-22

Inhibited emulsions for use in blasting in reactive ground or under high temperature conditions

#27
20180216406
2018-08-02

Tunnelling machine

#28
20180156022
2018-06-07

System and method for controlling a drilling machine

#29
20180073845
2018-03-15

System and method for underground blasting

#30
20180010452
2018-01-11

Surrounding rock pretreatment method for TBM passing through round tunnel section with high rock-burst risk

#31
20170356730
2017-12-14

Robot automated mining

#32
20170356729
2017-12-14

Robot automated mining

#33
20170356292
2017-12-14

Robot automated mining

#34
20170138192
2017-05-18

Automatically scanning and representing an environment with collision avoidance

#35
20170016325
2017-01-19

Arrangement and method of utilizing rock drilling information

#36
20160084071
2016-03-24

Arrangement for assigning and drilling bore holes

#37
20140139007
2014-05-22

Method and arrangement for designing drilling plan

#38
20130332875
2013-12-12

Dynamic working area

#39
20130263752
2013-10-10

Method and related devices for carrying out TBM excavation and expansion blasting using a blast protector and a cart

#40
20130200680
2013-08-08

Excavation system using a water jet, and excavation method using the same

#41
20130174725
2013-07-11

System for storing potential energy and method for producing such a system

#42
20100286965
2010-11-11

Method and software product for designing drilling pattern for rock cavity excavation

#43
20100156167
2010-06-24

Ore extraction using combined blast and thermal fragmentation

#44
20100126769
2010-05-27

Method of modifying drilling pattern, rock drilling rig, and software product

#45
20100078215
2010-04-01

Designing drilling pattern for excavating rock cavern

#46
20100044107
2010-02-25

Designing drilling pattern for excavating rock cavern

#47
20100025108
2010-02-04

Method for drilling rock

#48
20090078438
2009-03-26

Arrangement for positioning drilling unit

#49
20080230270
2008-09-25

Arrangement for Positioning Rock Drilling Rig on Drilling Site

#50
20070151761
2007-07-05

Automated drill string position survey

#51
20060165489
2006-07-27

Structure of intermediate wall of three arch excavated tunnel and method for constructing the same

#52
18370545
2024-05-07

Efficient blasting method for similar cutting in rock tunnel

#53
18172728
2024-05-21

Projectile drilling system